The Women's Basketball Super League (Turkish: Kadınlar Basketbol Süper Ligi, KBSL), also known as the ING Women's Basketball Super League for sponsorship reasons, is the top women's professional basketball division of the Turkish women's basketball league system. The league was established in 1980 and is organized by the Turkish Basketball Federation, it replaced the former Turkish Women’s Basketball League which ran between 1956 and 1980. There is also a Turkish Women's Basketball League (TKBL), the second level in the Turkish women's basketball league system. The present TKBL should not be confused with the former TKBL, which ran between 1956 and 1980; after the KBSL was founded, the TKBL became a second-tier league.

Fenerbahçe are the most successful team in the competition's history, having won 19 titles to date.